Session 1 Reference¶

🔩 Stack glossary¶

Term	Meaning
Driver Station (DS)	The laptop and app that connect to the robot, pick the mode, and enable or disable it
FMS	Field Management System. The computer at competition that controls every robot's mode and timing
Robot radio	The Wi-Fi bridge on the robot
roboRIO	The robot's computer. Runs your Java program
PDH	Power Distribution Hub. Sends battery power to everything through breakers
Motor controller	Device that powers a motor based on your program's command. SPARK MAX is the common one
CAN bus	The wired network between the roboRIO and motor controllers
Encoder	Sensor that counts how far a shaft has turned
Gyro	Sensor that measures how far the robot has rotated
RSL	Robot Signal Light. Solid when disabled, blinking when enabled
WPILib	The library and tools every FRC Java program uses
AdvantageScope	Tool for plotting and replaying robot data
Romi	Small practice robot. Your program runs on a laptop and talks to it over Wi-Fi
Codespace	A VS Code development environment that runs in the cloud, in your browser
Dev container	The recipe in the repository that tells a Codespace what to install

Word	Meaning
Repository (repo)	A project and its full history
Clone	A copy of a repository on another computer. Your Codespace has one
main	The team's official branch. Protected. Changes reach it through pull requests
Branch	Your own line of work, named `yourname/what-it-does`
Stage	Choose which changes go in the next commit
Commit	A saved snapshot with a message
Push	Send your commits to GitHub
Pull	Get commits from GitHub
Pull request (PR)	Ask the team to review and merge your branch into `main`. Session 2

./gradlew --version      # show Gradle and Java versions
git status               # what has changed
git log --oneline -3     # last three commits